Tripeak Asymmetric Oversize Pulley Wheel Kit 12/18T Ceramic Bearing (Shimano Dura-Ace 91, 11-Speed) – Gold

Upgrade your drivetrain performance with the Tripeak Asymmetric Oversize Pulley Wheel Kit, designed for serious cyclists who demand smoother shifting and higher efficiency. This advanced 12/18T pulley system features a smart asymmetric design that reduces friction and enhances power transfer. Built with high-quality ceramic bearings, it ensures ultra-smooth rotation and long-lasting durability even under intense riding conditions. The installation process is simple and user-friendly, requiring only a standard hex wrench, making it accessible for both enthusiasts and professionals. With no immediate need to adjust chain length in most cases, it offers a quick performance upgrade. Ideal for Shimano Dura-Ace 91 11-speed setups, this pulley kit delivers noticeable gains in speed, efficiency, and overall riding experience.

Key Features

• Oversized 12T and 18T pulley combination for improved drivetrain efficiency

• High-performance ceramic bearings for ultra-smooth rotation

• Asymmetric pulley design reduces friction and enhances power transfer

• Easy installation with standard hex wrench

• No immediate chain length adjustment required in most setups

Product Specifications

• Compatibility: Shimano Dura-Ace 91, 11-Speed

• Pulley Size: 12T / 18T

• Bearing Type: Ceramic Bearings

• Design: Asymmetric Oversized Pulley Wheel

• Material: High-grade alloy and composite construction

• Color: Gold

Performance & Efficiency

• Larger pulley size reduces chain articulation angle for smoother movement

• Minimizes drivetrain resistance for better power output

• Enhances shifting precision during high-speed rides

• Improves overall pedaling efficiency and energy saving

• Ideal for racing and high-performance cycling setups

Easy Operation / Usage

• Install easily using a common hex wrench

• Direct replacement for standard pulley wheels

• No complex tools or professional setup required

• Check chain length and B-tension after installation for best performance

Why Choose This Product

• Delivers noticeable improvement in speed and smoothness

• Premium ceramic bearings ensure long-term reliability

• Designed for serious cyclists and competitive riders

• Lightweight yet durable construction

• Trusted Tripeak engineering for performance upgrades

In the Box

• 1 x Tripeak Oversize Pulley Wheel Kit (12T & 18T)